61921-50-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 61921-50-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,9,2 and 1 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 61921-50:
(7*6)+(6*1)+(5*9)+(4*2)+(3*1)+(2*5)+(1*0)=114
114 % 10 = 4
So 61921-50-4 is a valid CAS Registry Number.
61921-50-4Relevant articles and documents
Total Synthesis of D-Homodinordrin
Li, Yushun,Nassim, Bahman,Crabbe, Pierre
, p. 2349 - 2352 (2007/10/02)
A short and efficient synthesis of optically active D-homodinordrin (2b), by the general scheme outlined for the synthesis of dinordrin (1a), is reported.Unexpected observations were made in the chemical and stereochemical course of some reactions.